Hewgag
Hewgag (19th-c. U.S.) [?gewgaw], 1. single-string banjo with a short keyboard on the fingerboard, invented 1884 (Sachs in Zeitschrift für Instrumentenbau, V); 2. mirliton composed of a tube with a parchment-covered hole, a child's toy, first mentioned 1858 (Oxford English Dictionary).